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Subject: Re: disk-io.c:undefined reference to `atomic64_set_386'
To:     dsterba@suse.cz, kernel test robot <lkp@intel.com>,
        Josef Bacik <josef@toxicpanda.com>, kbuild-all@lists.01.org,
        linux-kernel@vger.kernel.org, David Sterba <dsterba@suse.com>
References: <202104010035.c4LXmhAY-lkp@intel.com>
 <20210406144303.GF7604@suse.cz>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <38f3b02c-6b0a-d986-1131-4b42d6d2eb7d@infradead.org>
Date:   Tue, 6 Apr 2021 09:12:09 -0700
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On 4/6/21 7:43 AM, David Sterba wrote:
> On Thu, Apr 01, 2021 at 12:34:38AM +0800, kernel test robot wrote:
>> Hi Josef,
>>
>> FYI, the error/warning still remains.
>>
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   5e46d1b78a03d52306f21f77a4e4a144b6d31486
>> commit: 8260edba67a2e6bd5e709d32188e23aa22cb4a38 btrfs: make the init of static elements in fs_info separate
>> date:   1 year ago
>> config: um-randconfig-r023-20210330 (attached as .config)
>> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
>> reproduce (this is a W=1 build):
>>         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8260edba67a2e6bd5e709d32188e23aa22cb4a38
>>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>         git fetch --no-tags linus master
>>         git checkout 8260edba67a2e6bd5e709d32188e23aa22cb4a38
>>         # save the attached .config to linux build tree
>>         make W=1 ARCH=um 
> 
> All the reports regarding atomic64_*_386 are from ARCH=um build, so
> it needs to be fixed there.
> 

Robot, Please try this patch:
https://marc.info/?l=linux-kernel&m=161756047331183&w=2


thanks.
-- 
~Randy